BaseParticleSystem

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com.threerings.opengl.effect
Class BaseParticleSystem

java.lang.Object
  com.threerings.expr.SimpleScope
      com.threerings.opengl.model.Model.Implementation
          com.threerings.opengl.effect.BaseParticleSystem

All Implemented Interfaces:: Scope, ScopeUpdateListener, Compositable, Enqueueable, Intersectable, Tickable

Direct Known Subclasses:: MetaParticleSystem, ParticleSystem

public abstract class BaseParticleSystem
extends Model.Implementation
implements Enqueueable
extends Model.Implementation
implements Enqueueable

Base class for ParticleSystem and MetaParticleSystem.

Nested Class Summary
`static class`	`BaseParticleSystem.Layer` A single layer of the system.

Field Summary
`protected Box`	`_bounds` The bounds of the system.
`protected boolean`	`_completed` If true, the particle system has completed.
`protected BaseParticleSystemConfig`	`_config` The system configuration.
`protected GlContext`	`_ctx` The application context.
`protected Box[]`	`_groupBounds` World space bounds of each group.
`protected int`	`_influenceFlags` Flags indicating which influences can affect the system.
`protected BaseParticleSystem.Layer[]`	`_layers` The layers of the system.
`protected Transform3D`	`_localTransform` The local transform.
`protected Box`	`_nbounds` Holds the bounds of the model when updating.
`protected Transform3D`	`_parentViewTransform` The parent view transform.
`protected Transform3D`	`_parentWorldTransform` The parent world transform.
`protected SceneElement.TickPolicy`	`_tickPolicy` The model's tick policy.
`protected static Vector3f`	`_vector` Working vector.
`protected Transform3D`	`_viewTransform` The view transform.
`protected boolean`	`_warmed` If true, the particle system has warmed up.
`protected Transform3D`	`_worldTransform` The world transform.

Fields inherited from class com.threerings.expr.SimpleScope
`_parentScope`

Fields inherited from interface com.threerings.expr.Scope
`EPOCH, NOW`

Constructor Summary
`BaseParticleSystem(GlContext ctx, Scope parentScope)` Creates a new particle system implementation.

Method Summary
`void`	`composite()` Adds this object's `Dependency`s and `Enqueueable`s to the compositor in preparation for rendering.
`protected abstract BaseParticleSystem.Layer`	`createLayer(BaseParticleSystemConfig.Layer config)` Creates a new layer for the supplied config.
`void`	`drawBounds()` Draws the bounds of the model in immediate mode.
`void`	`enqueue()` Enqueues this object for rendering.
`Box`	`getBounds()` Returns a reference to the bounds of the model.
`int`	`getInfluenceFlags()` Returns a set of flags indicating the types of influences that affect the model.
`SceneElement.TickPolicy`	`getTickPolicy()` Returns the tick policy of the model.
`boolean`	`hasCompleted()` Determines whether the model (such as a transient effect) has completed.
`void`	`reset()` Resets the state of this model.
`protected void`	`resetBounds()` Resets the bounds before the tick.
`void`	`setConfig(BaseParticleSystemConfig config)` Sets the configuration of this system.
`void`	`tick(float elapsed)` Updates the state of this object based on the elapsed time in seconds.
`void`	`updateBounds()` Updates the bounds of the model.
`protected void`	`updateFromConfig()` Updates the model to match its new or modified configuration.

Methods inherited from class com.threerings.opengl.model.Model.Implementation
`attach, createAnimation, createSurface, createSurfaces, createSurfaces, detach, detachAll, getAnimation, getAnimations, getIntersection, getPlayingAnimations, getPointWorldTransform, getScopeName, isImplementation, setTickPolicy, wasAdded, willBeRemoved`

Methods inherited from class com.threerings.expr.SimpleScope
`addListener, dispose, get, getParentScope, removeListener, scopeUpdated`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

_ctx

protected GlContext _ctx

The application context.

_config

protected BaseParticleSystemConfig _config

The system configuration.

_layers

protected BaseParticleSystem.Layer[] _layers

The layers of the system.

_parentWorldTransform

@Bound(value="worldTransform")
protected Transform3D _parentWorldTransform

The parent world transform.

_parentViewTransform

@Bound(value="viewTransform")
protected Transform3D _parentViewTransform

The parent view transform.

_localTransform

@Bound
protected Transform3D _localTransform

The local transform.

_worldTransform

@Scoped
protected Transform3D _worldTransform

The world transform.

_viewTransform

@Scoped
protected Transform3D _viewTransform

The view transform.

_influenceFlags

protected int _influenceFlags

Flags indicating which influences can affect the system.

_bounds

@Scoped
protected Box _bounds

The bounds of the system.

_nbounds

@Scoped
protected Box _nbounds

Holds the bounds of the model when updating.

_groupBounds

protected Box[] _groupBounds

World space bounds of each group.

_tickPolicy

protected SceneElement.TickPolicy _tickPolicy

The model's tick policy.

_warmed

protected boolean _warmed

If true, the particle system has warmed up.

_completed

protected boolean _completed

If true, the particle system has completed.

_vector

protected static Vector3f _vector

Working vector.

Constructor Detail

BaseParticleSystem

public BaseParticleSystem(GlContext ctx,
                          Scope parentScope)

Creates a new particle system implementation.

Method Detail

setConfig

public void setConfig(BaseParticleSystemConfig config)

Sets the configuration of this system.

enqueue

public void enqueue()

Description copied from interface: Enqueueable

Enqueues this object for rendering.

Specified by:: enqueue in interface Enqueueable